Ranein GEN II Propane Gas Tankless Water Heater (8.5 GPM, 190,000 BTU) Outdoor User Manual
Model: RHO19K-LPG
1. Introduction
This manual provides essential information for the safe installation, operation, and maintenance of your Ranein GEN II Propane Gas Tankless Water Heater. Please read this manual thoroughly before installation and use, and retain it for future reference. This outdoor unit is designed to provide continuous hot water for household needs, supporting 4-6 taps with a maximum flow rate of 8.5 GPM and a heat output of 190,000 BTU.

Image 1.1: Ranein GEN II Propane Gas Tankless Water Heater.
2. Consignes de sécurité
- Installation professionnelle requise : This appliance must be installed by licensed professionals in accordance with all local codes and regulations. Improper installation can lead to property damage, personal injury, or death.
- Limite d'élévation : Not recommended for areas over 2,000 feet elevation.
- Protection antigel : The unit includes a built-in anti-freeze unit that protects down to 14°F (-10°C). If temperatures are expected to drop below this, or if the unit will not be used for an extended period, completely drain the tank by opening the drain valve to prevent pipe cracking.
- Utilisation en extérieur uniquement : This model is designed for outdoor installation. Ensure proper ventilation and clearance from combustible materials.
- Alimentation en gaz : Ensure the correct type of gas (Propane) is supplied and that all gas connections are secure and leak-free.
3. caractéristiques du produit
- Eau chaude illimitée à haute efficacité : Max 8.5 GPM and 190,000 BTU, suitable for 4-6 taps.
- Contrôle stable de la température : Advanced technology maintains stable water temperature by auto-adjusting flow and heat.
- Powerful Blower for Outdoor Safety: Bottom-mounted blower prevents smoke backflow and adapts speed to wind pressure for full gas combustion and low noise.
- Conception à économie d'énergie : Internal oxygen-free copper tank reduces heat loss. Heats water on demand, eliminating standby waste.
- Space-Saving Wall-Mount: Compact design for outdoor installation on walls, balconies, or corners. Standard 3/4" NPT ports for quick connection.
- Construction durable : Features MicroPrecision Engineering 2.0, HydroArmor Copper Core 2.0, FortiCore Steel Protection 2.0, and HyperIgnite Burner System 2.0 for enhanced performance and longevity.

Image 3.1 : Terminéview of Ranein GEN II performance upgrades.

Image 3.2 : Key advantages of the Ranein tankless water heater design.
4. Configuration et installation
Proper installation is critical for the safe and efficient operation of your tankless water heater. Always ensure installation is performed by a licensed professional.
4.1 Montage de l'unité
Use the provided quick installation guide template to mark drilling locations on the wall. Drill holes, insert plastic ribbed anchors, and secure the mounting screws. Hang the water heater onto the anchor screws and tighten them securely.
Video 4.1: Installation process for the Ranein 190,000 BTU Outdoor Tankless Water Heater.
4.2 Connecting Water and Gas Pipes
Connect the hot water outlet, cold water inlet, and gas inlet pipes. Ensure all connections are sealed with Teflon tape and tightened to prevent leaks. The unit features standard 3/4" NPT ports.

Image 4.2 : Détail view of water and gas connections, along with product dimensions.
4.3 Connecting the Remote Control Panel
Connect the remote LED temperature control panel to the designated port on the water heater. This panel allows for convenient temperature adjustments and monitoring.
5. Mode d'emploi
The water heater is operated via the sensitive touch screen interface on the unit or the remote LED control panel.
5.1 Mise sous/hors tension
Appuyez sur le bouton marche/arrêt du panneau de commande pour allumer ou éteindre l'appareil.
5.2 Réglage de la température
Use the up and down arrows on the control panel to adjust the desired water temperature. The temperature range is 95°F - 149°F (35°C - 65°C).
Video 5.1: Demonstration of the Ranein 190,000 BTU Outdoor Tankless Water Heater Display and temperature adjustment.

Image 5.2: The LED temperature control panel for the water heater.
6. Entretien
Un entretien régulier garantit des performances optimales et une longue durée de vie à votre chauffe-eau.
- Inspection annuelle: Have a licensed professional inspect the unit annually, including gas connections, water connections, and the exhaust system.
- Draining for Freezing Temperatures: If the unit is exposed to temperatures below 14°F (-10°C) or will be unused for an extended period, completely drain the water from the unit to prevent freezing and damage.
- Nettoyage: Keep the exterior of the unit clean and free from obstructions. Do not use abrasive cleaners.
7. Dépannage
If the water heater displays an error code, refer to the table below for common issues and solutions. For persistent problems, contact customer service.
| Code d'erreur | Nom du défaut |
|---|---|
| E0 | Outlet Water Temperature Sensor is Faulty |
| E1 | Panne d'allumage |
| E2 | Extinction accidentelle |
| E3 | Overtemperature Fault |
| E4 | Inlet Water Temperature Sensor is Faulty |
| E5 | DC Fan Malfunction |
| E7 | Solenoid Valve Malfunction |
| E8 | Fan Speed Exceeds The Limit |
| Eb | Défaut de flamme résiduelle |
| En | Délai d'expiration du minuteur |
| Ec | Signal Communication Failure |
For any error not listed or if troubleshooting steps do not resolve the issue, please contact Ranein customer support.
8. Spécifications
| Fonctionnalité | Spécification |
|---|---|
| Marque | Ranéin |
| Numéro de modèle | RHO19K-LPG |
| Dimensions du produit | 20.9 po L x 28.8 po H |
| Couleur | Gris |
| Source d'énergie | Gaz propane |
| Voltage | 120 volts |
| Débit maximal | 8.5 gallons par minute |
| Température maximale | 149 degrés Fahrenheit |
| Puissance calorifique | 190,000 unités thermiques britanniques |
| Efficacité | Haute efficacité |
| Pression de service maximale | 150 livre par pouce carré |
| Type de montage | Mur |
| Poids de l'article | 49 livres |
9. Garantie et assistance
Ranein propose un Garantie constructeur d'un an against manufacturing defects. For comprehensive product problem-solving services, installation guidance, or product consultation, please contact our professional after-sales team.
- E-mail: service@ranein.net
- Téléphone aux États-Unis : (424) 452-2630

Image 9.1: Ranein customer service and support details.





